diff --git a/kiri-engine/Context.php b/kiri-engine/Context.php
index 7903ddd5..8e66c4e7 100644
--- a/kiri-engine/Context.php
+++ b/kiri-engine/Context.php
@@ -110,12 +110,12 @@ class Context extends BaseContext
 
 	/**
 	 * @param null $coroutineId
-	 * @return mixed
+	 * @return Coroutine\Context|array
 	 */
-	public static function getAllContext($coroutineId = null): mixed
+	public static function getAllContext($coroutineId = null): Coroutine\Context|array
 	{
 		if (Coroutine::getCid() === -1) {
-			return Coroutine::getContext($coroutineId) ?? [];
+			return Coroutine::getContext((int)$coroutineId) ?? [];
 		} else {
 			return static::$_contents ?? [];
 		}
diff --git a/kiri-engine/Main.php b/kiri-engine/Main.php
index ffac2e00..57204bb5 100644
--- a/kiri-engine/Main.php
+++ b/kiri-engine/Main.php
@@ -58,6 +58,7 @@ class Main extends BaseMain
 		$error->registerShutdownHandler(Config::get('error.shutdown', []));
 		$error->registerExceptionHandler(Config::get('error.exception', []));
 		$error->registerErrorHandler(Config::get('error.error', []));
+		$this->id = Config::get('id', uniqid('id.'));
 	}
 
 	/**